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  2. sku: 22012846518481773
  3. URO 933XZ46

URO PARTS 933XZ46 Evaporative Emissions Leak Detection Pump

fits make: Bmw. year: 2000–2001.

933xz46 Uro Parts For 2000-2001 Bmw 540i Evaporative Emissions System Leak Detection Pump 2001

( Brand: Uro Parts ), ( Manufacturer Part Number: 933XZ46 ), ( Manufacturer Warranty: 1 Year ), ( Application: Bmw 540i Evaporative Emissions System Leak Detection Pump ), ( Type: Evaporative Emissions System Leak Detection Pump ), ( Short Description: Leak Detection Pump ), ( Universal Fitment: Direct Replacement ), ( Cs-sku: 328 ), ( Country Of Origin: China )

Review URO PARTS Bmw Evaporative Emissions System Leak Detection Pump fits 540I 2000–2001

The **URO 933XZ46** is a high-performance, direct-fit evaporative emissions leak detection pump designed specifically for the **2000-2001 BMW 540i** models equipped with the **M73 V8 engine**. This precision-engineered component plays a critical role in maintaining the integrity of the vehicle s fuel system by detecting and compensating for leaks in the evaporative emissions control (EVAP) system, ensuring compliance with emissions regulations while optimizing engine performance. Crafted from durable, corrosion-resistant materials, the pump is built to withstand the demanding conditions of BMW s advanced fuel injection and emissions control architecture, delivering reliable operation under varying thermal and mechanical stresses. Its compact yet robust design allows for seamless integration into the vehicle s existing EVAP system, replacing the original factory unit without the need for extensive modifications or additional wiring adjustments. The pump operates with a consistent, low-noise performance, utilizing a sophisticated internal mechanism to precisely measure and regulate pressure within the system, thereby preventing fuel vapor leaks that could otherwise trigger check engine lights or compromise engine efficiency. Ideal for both restoration projects and routine maintenance, this aftermarket replacement part adheres to strict OEM specifications, ensuring compatibility with the 540i s fuel rail, purge valve, and canister system. Whether addressing a malfunctioning original pump or upgrading for enhanced durability, the **URO 933XZ46** provides a dependable solution that restores the vehicle s emissions control functionality while maintaining the integrity of its performance-oriented design.

### **Pros and Cons of Buying a URO 933XZ46 Evaporative Emissions Leak Detection Pump (EELDP) for a 2000-2001 BMW 540i**

#### **Pros:**

1. **Direct OEM Replacement** The URO 933XZ46 is a high-quality aftermarket part designed to match the original BMW evaporative emissions leak detection pump (EELDP) in terms of function and compatibility. It is built to the same specifications as the OEM component, ensuring proper integration with the vehicle s fuel system and emissions controls.

2. **Reliability and Durability** URO is a reputable manufacturer known for producing reliable automotive components. Their parts are often made with durable materials and undergo quality testing, reducing the risk of premature failure compared to cheaper or unknown brands.

3. **Easy Installation** The EELDP is a relatively straightforward component to replace, especially for those with basic mechanical skills. The pump is typically located near the fuel tank or fuel rail, and the installation process involves disconnecting electrical connectors, removing old mounting brackets, and securing the new pump in place. Most users report that the job takes 1-2 hours with basic tools.

4. **Compatibility with Modifications** If your 540i has been modified (e.g., with a tune, cold air intake, or performance exhaust), a faulty EELDP can trigger check engine lights (CEL) for "evaporative system leaks" even when the issue is unrelated to the fuel system. Replacing it with a reliable pump can resolve false codes and prevent unnecessary diagnostic headaches.

5. **Prevents Emissions Failures** A failing EELDP can cause the vehicle to fail emissions tests or trigger a "leak detected" code (e.g., P0440, P0442, P0455). Replacing it ensures the vehicle meets emissions standards and avoids potential fines or test failures.

6. **Cost-Effective Alternative to OEM** While the URO part is not an exact OEM replacement (BMW s original pump is part number 13612866700), it is significantly cheaper than purchasing an OEM unit, which can cost 2-3 times more. The URO part offers a cost-effective solution without sacrificing quality.

7. **Widely Available and Supported** URO parts are stocked by many auto parts retailers (e.g., RockAuto, Amazon, local BMW specialty shops) and are backed by warranties (typically 1-2 years). This makes sourcing and replacement easier than dealing with rare or discontinued OEM parts.

8. **Minimal Performance Impact** The EELDP is a passive component that monitors fuel system leaks; it does not directly affect engine performance. Replacing it will not improve power or fuel economy but will resolve diagnostic issues.

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#### **Cons:**

1. **Not an Exact OEM Replacement** While the URO 933XZ46 is functionally compatible, it is not a direct drop-in replacement for the original BMW part. The OEM pump (13612866700) may have slight variations in wiring harness or mounting that could require minor adjustments during installation. However, this is rarely an issue in practice.

2. **Potential for Counterfeit Parts** Purchasing from untrusted sellers (e.g., unknown online marketplaces) could result in receiving a counterfeit or low-quality part. Always buy from reputable retailers to avoid this risk.

3. **Code Persistence After Replacement** In some cases, a lingering "evaporative system leak" code may not clear immediately after replacing the pump. This can require a scan tool to reset the code or a drive cycle to allow the system to relearn. If the code persists without other symptoms, further diagnostics (e.g., checking fuel lines, seals, or the purge valve) may be needed.

4. **Limited Longevity Compared to OEM** While URO parts are durable, they may not last as long as the original BMW component, especially if the vehicle has high mileage or has been driven aggressively. However, this is rare with a quality part like the URO 933XZ46.

5. **Installation Complexity for Non-Mechanics** Although the installation is straightforward, those without mechanical experience may struggle with:

- Disconnecting the fuel system wiring harness (requires careful handling to avoid damaging connectors).

- Ensuring the pump is securely mounted (vibration can loosen it over time).

- Properly routing wiring and connectors to avoid interference.

6. **Potential for Aftermarket Incompatibility** If your 540i has aftermarket modifications (e.g., a non-OEM fuel system, modified ECU, or emissions bypass), the EELDP may need to be recalibrated or disabled. Some tuners recommend disabling the pump entirely in high-performance builds to avoid false codes.

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### **Ending Conclusion:**

The **URO 933XZ46 evaporative emissions leak detection pump** is a **strong, cost-effective choice** for replacing a failing EELDP in a 2000-2001 BMW 540i. It offers **reliability, ease of installation, and compatibility** with minimal downsides. The only significant drawbacks are the **non-OEM nature** (though rarely problematic) and the **rare possibility of lingering codes** after replacement. For most owners, this part will **resolve check engine lights, prevent emissions failures, and avoid unnecessary diagnostic work** without major trade-offs.

If you are comfortable with basic automotive repairs and source the part from a trusted seller, the URO 933XZ46 is an **excellent replacement option**. If you prefer a true OEM part for absolute peace of mind, the original BMW pump is available but at a much higher cost.

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### **Recommendation:**

1. **Purchase from a reputable source** (e.g., RockAuto, Amazon, or a BMW specialty shop) to avoid counterfeit parts.

2. **Gather tools** (screwdrivers, wire cutters/strippers, a socket set, and possibly a scan tool for code clearing).

3. **Follow a step-by-step guide** (e.g., from BMW forums or YouTube) to ensure proper installation, especially when handling wiring.

4. **Clear the code** after installation using a scan tool or by disconnecting the battery for 10 minutes.

5. **Test drive the vehicle** and monitor for any new codes or symptoms. If the "leak detected" code persists, inspect the fuel lines, seals, and purge valve for leaks.

6. **Consider disabling the pump** if you have a tuned or modified 540i, as some tuners recommend bypassing the EELDP to avoid false codes in performance builds.

**Final Verdict:** **Buy the URO 933XZ46** it is the best balance of **cost, quality, and reliability** for this application. The installation is manageable for most DIYers, and the part will effectively resolve evaporative system issues.

Details:

part #: 933xz46 prices

  • $20.00-$140.54

specifications emissyste:

  • for makes: Bmw
  • for years: 2000-2001
  • brand: Uro Parts
  • mpn: 933xz46
  • manufacturer warranty: 1 Year
  • application: Bmw 540i Evaporative Emissions System Leak Detection Pump
  • type: Evaporative Emissions System Leak Detection Pump
  • short description: Leak Detection Pump
  • universal fitment: Direct Replacement
  • cs-sku: 328
  • country of origin: China

seller emissyste:

  • rating: 100.0%
  • # reviews: 100
  • city: Valparaiso, Indiana

general emissyste:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
  • condition: New

shipping emissyste:

  • carrier: USPS
  • transit: 4-8 Days
  • class: Standard
  • service: USPS Ground Advantage
  • type: Calculated
  • cost: $8.60

offer emissyste:

  • best offers: True
  • started: May 14, 2026
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 1

returns emissyste:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

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for makes: bmw, for years: 2000-2001, manufacturer warranty: 1 year, application: bmw 540i evaporative emissions system leak detection pump, type: evaporative emissions system leak detection pump, short description: leak detection pump, universal fitment: direct replacement, cs-sku: 328, country of origin: china,
category: auto parts > car truck parts accessories > exhaust emission systems > exhaust emission parts, sku: 22012846518481773,
Uro Parts 933XZ46 Is Similar To:
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2 offers $20.00–$140.54 USD
  • New. Offer #1 priced at $20.00 + $8.60 shipping estimate = $28.60* total. +$8.60 shipping
  • New. Offer #2 priced at $140.54 + $0.00 shipping estimate = $140.54* total. Compatible Years: 2000 2001. Part Type: Evaporative Emissions System Leak Detection Pump.FREE SHIPPING

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